divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 21682 Comm: syz-executor.2 Not tainted 6.7.0-rc7-syzkaller-00041-gf016f7547aee #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:do_journal_end+0x172e/0x4f10 fs/reiserfs/journal.c:4090
Code: c6 41 84 f0 0f 85 83 37 00 00 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 6c 37 00 00 8b 4b 14 48 8d 7d 18 31 d2 <48> f7 f1 4a 8d 34 22 48 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc90007e87b38 EFLAGS: 00010246
RAX: 0000000000000002 RBX: ffff88802d2da000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88804d6d3018
RBP: ffff88804d6d3000 R08: 0000000000000001 R09: 0000000000000000
R10: ffff8880340e5000 R11: 0000000000000003 R12: 0000000000000000
R13: 0000000000001000 R14: ffffc90007e87d28 R15: ffff8880648560e8
FS:  00007f2c8f82f6c0(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 000000002bfeb000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 000000000000004a DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_sync_fs+0x10e/0x140 fs/reiserfs/super.c:78
 dquot_quota_sync fs/quota/dquot.c:753 [inline]
 dquot_quota_sync+0xe9/0x380 fs/quota/dquot.c:737
 quota_sync_one+0x148/0x1a0 fs/quota/quota.c:60
 iterate_supers+0xfb/0x230 fs/super.c:971
 quota_sync_all fs/quota/quota.c:69 [inline]
 __do_sys_quotactl fs/quota/quota.c:938 [inline]
 __se_sys_quotactl fs/quota/quota.c:917 [inline]
 __x64_sys_quotactl+0x2b1/0x440 fs/quota/quota.c:917
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f2c8ea7cce9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2c8f82f0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f2c8eb9bf80 RCX: 00007f2c8ea7cce9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000101
RBP: 00007f2c8eac947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2c8eb9bf80 R15: 00007ffee5ba0e48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_journal_end+0x172e/0x4f10 fs/reiserfs/journal.c:4090
Code: c6 41 84 f0 0f 85 83 37 00 00 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 6c 37 00 00 8b 4b 14 48 8d 7d 18 31 d2 <48> f7 f1 4a 8d 34 22 48 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc90007e87b38 EFLAGS: 00010246
RAX: 0000000000000002 RBX: ffff88802d2da000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88804d6d3018
RBP: ffff88804d6d3000 R08: 0000000000000001 R09: 0000000000000000
R10: ffff8880340e5000 R11: 0000000000000003 R12: 0000000000000000
R13: 0000000000001000 R14: ffffc90007e87d28 R15: ffff8880648560e8
FS:  00007f2c8f82f6c0(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff46034dad0 CR3: 000000002bfeb000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	c6 41 84 f0          	movb   $0xf0,-0x7c(%rcx)
   4:	0f 85 83 37 00 00    	jne    0x378d
   a:	83 e2 07             	and    $0x7,%edx
   d:	38 d1                	cmp    %dl,%cl
   f:	40 0f 9e c6          	setle  %sil
  13:	84 c9                	test   %cl,%cl
  15:	0f 95 c2             	setne  %dl
  18:	40 84 d6             	test   %dl,%sil
  1b:	0f 85 6c 37 00 00    	jne    0x378d
  21:	8b 4b 14             	mov    0x14(%rbx),%ecx
  24:	48 8d 7d 18          	lea    0x18(%rbp),%rdi
  28:	31 d2                	xor    %edx,%edx
* 2a:	48 f7 f1             	div    %rcx <-- trapping instruction
  2d:	4a 8d 34 22          	lea    (%rdx,%r12,1),%rsi
  31:	48 89 fa             	mov    %rdi,%rdx
  34:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  3b:	fc ff df
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1